javascript 如何使用变量访问对象属性
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时间：2020-10-26 12:34:05 来源:igfitidea点击:
how to access object property using variable
提问by Yousuf Memon
I have an object
我有一个对象
var Messages = {
'fullName' : 'Tell us your cool name dude..! e.g. Yousuf Iqbal',
'userName' : 'Choose a catchy username. Remember! It should be available :)',
'password' : 'Choose a top secret password with special chars, numbers and alphabets',
'rePassword' : 'Retype the password you just typed. But, don\'t try to copy!',
'bYear' : 'Tell the year, in which this bomb blasted'
};
and a variable..
和一个变量..
var attribute = $('#userinfo form input').attr('name');
now i want to select Messages object property using this variable like this..
现在我想像这样使用这个变量来选择消息对象属性..
var message = Messages.attribute;
but Its not working.. and have also tried the following..
但它不起作用..并且还尝试了以下..
var message = Messages+'.'+attribute;
回答by Pointy
Square brackets:
方括号：
message = Messages[ attribute ];
回答by Lior Cohen
var message = Messages[attribute];
